These are the brand new Treal 7075 CNC Billet Aluminum Front & Rear Chassis Braces.  These replace the stock plastic pieces where the cage attaches to and provide additional chassis stiffness over the stock pieces.

Features:
-Material: Aluminum 7075 Black or silver finish
-Processing: Complete CNC Billet Machined
-Precision dimension control
Package Includes:
-Cross Brace (x2)
-Hardware